Valencia College Nursing Program Medication Portfolio Generic Name: Valacyclovir Trade Names: Valtrex Pharmacologic Classification: purine (guanine) nucleoside Therapeutic Classification: Oral antiviral Rout es Doses Frequency/Times Action/Purpose Major Side Effects Nursing Interventions Labs PO 1-2g 500mg 20mg/kg (children) Herpes Zoster (adults) : 1g 3 times daily x7days Genital Herpes (adults): Initial treatment --1g BID x10days Recurrence —500mg BID daily or 500mg once daily in patients experiencing <10 recurrences/yr Suppression in HIV infected patients — 500mg q12hr Reduction of transmission —500mg once daily for source partner Herpes Labialis (adults and children >12yr): 2g then 2g 12hr later Chicken Pox (children >2): 20mg/kg 3 times Action: Rapidly converted to acyclovir. Acyclovir interferes with viral DNA synthesis. Inhibits viral replication, decreased viral shedding, reduced time to healing of lesions. Reduce transmission of genital herpes Purpose: Treatment of herpes zoster (shingles).
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- Summer '14